Burt McAlister is the prototypical deep spacer of the Twilight Era — a man whose biography is written not in documents or faction records but in the particular way other spacers move when he enters a bar. He occupies a corner table. No one sits uninvited. No one is turned away who comes with genuine curiosity and something worth drinking.

His origins are not well documented, which is itself characteristic. He entered the record as a credentialed aerowings man and captain of a Theta-class scientific vessel — a respectable man of the established space lanes, the kind of spacer the Consortium approved of. He carried a crew. He knew his ship.

Then the deep called, and Burt followed it. Further from the established lanes. Further still. He was engaged in whatever work the void presented when the Solar War began, and did not learn about it until he came back in — which tells you something about how far out he had gone.

When Burt returned to inhabited space, his Theta-class vessel was taken from him by force. His crew — most of them — were disposed of. He was not a coward. The record makes that clear, even without specifics: he fought. But he was also a spacer, and that means survival and reality, and when the math resolved against him he ran. He hid himself aboard a Gamma-class cycler — the very last one bound out for Mars — with three surviving crew members.

The passage nearly killed him. It killed all three of the others.

The first died of dehydration. The second of starvation. The third broke — and in breaking, nearly took Burt with him into the vacuum.

What followed defines everything that came after. With no vacsuit, no preparation, pressure screaming at him from the breach, Burt McAlister climbed back inside and sealed it. He won. He was alone. He had a very long way to go. And he made it.

When the cycler came into port, Burt beat back the hands reaching for its cargo — Technocratic hands, in a time when the Interplanetary Transport System was fracturing under the weight of a war it could not contain — and insisted the cargo was his, and was for sale at a fair price, now. The look in his eyes told them what they needed to know. They paid him. That the ITN paid rather than simply took was itself evidence that something had broken in the established order.

Burt used that payment to buy his vacsuit. He loaded his supplies. He retrofitted the vessel with an agrarium and whatever else indefinite deep operation required. Then he took the Junto — not freebooted, not given, negotiated at a table in the way a man who has survived what he survived negotiates: quietly, with complete clarity about what happens if the other party disagrees — and sailed back into the abyss.

The name is his own choice or the ship's original designation; records differ. A junto was Franklin's circle — a mutual improvement society. Men committed to bettering themselves and their community through honest inquiry and practical wisdom. Burt McAlister sits alone in corners and lets people come to him. He has been running his own junto ever since he pointed the Junto back toward deep space.

The Type VI vacsuit is not a common piece of equipment. It represents a commitment — to deep operation, to extended self-sufficiency, to a relationship with the vacuum that most spacers prefer to maintain at a respectful distance. Burt wears his yellow. High-visibility, the color of a suit designed to be found during a rescue operation that he has long since stopped needing.

Among spacers, the full-time suit wearer is understood the way grounders understand the man who bugs out to the mountains and lives off-grid. A certain respect for the commitment. A certain relief that it is not you. The occasional suspicion that something happened once, badly enough that the suit became something more than equipment.

In Burt's case, the suspicion is correct. He knows exactly what bare skin and no suit feels like against hard vacuum. He knows because he went there and came back. The yellow suit is not armor against the Void — you cannot armor against the Void. It is a declaration. I know what you are. I know what you can do. I'm going out there anyway.

Jacob wrestled with the Architect and walked with a limp. Burt McAlister sealed a hull breach with his bare hands in deep vacuum and walks with one too. The limp is real. Metaphorical and probably literal. The suit covers it, which is perhaps part of the point.